Concept

Security guard

Publications associées (119)

Distance Bounding with IEEE 802.15.4a: Attacks and Countermeasures

Jean-Yves Le Boudec, Jean-Pierre Hubaux, Panagiotis Papadimitratos, Marcin Poturalski, Manuel Flury

Impulse Radio Ultra-Wideband, in particular the recent standard IEEE 802.15.4a, is a primarycandidate for implementing distance bounding protocols, thanks to its ability to perform accurate indoor ranging. Distance bounding protocols allow two wireless dev ...

2010

Biometrics & [and] Security

Claude Barral

Since the beginning of this brand new century, and especially since the 2001 Sept 11 events in the U.S, several biometric technologies are considered mature enough to be a new tool for security. Generally associated to a personal device for privacy protect ...

EPFL2010

Effectiveness of Distance-Decreasing Attacks Against Impulse Radio Ranging

Jean-Yves Le Boudec, Jean-Pierre Hubaux, Panagiotis Papadimitratos, Marcin Poturalski, Manuel Flury

We expose the vulnerability of an emerging wireless ranging technology, impulse radio ultra-wide band (IR-UWB), to distance-decreasing attacks on the physical communication layer (PHY). These attacks violate the security of secure ranging protocols that al ...

2010

On the Static Diffie-Hellman Problem on Elliptic Curves over Extension Fields

Robert Granger

We show that for any elliptic curve

E(\mathbb{F}_{q^n})

, if an adversary has access to a Static Diffie-Hellman Problem (Static DHP) oracle, then by making

O(q^{1-\frac{1}{n+1}})

Static DHP oracle queries during an initial learning phase, for fixed $n>1 ...

Springer Berlin Heidelberg2010

A Mobile World of Security

Rüdiger Urbanke, Christina Fragouli, Panagiotis Papadimitratos, Christine Neuberg

Mobile users are increasing fast in numbers, new types of services and applications become available, and new mobile systems (e.g., for intelligent transportation) emerge. Meanwhile, the need for securing communication in such large scale, highly dynamic s ...

2010

On the Performance of Secure Vehicular Communication Systems

Jean-Pierre Hubaux, Panagiotis Papadimitratos

Vehicular communication (VC) systems are developed primarily to enhance transportation safety and efficiency. Vehicle-to-vehicle communication, in particular frequent cooperative awareness messages or safety beacons, have been considered over the past year ...

2009

Smashing SQUASH-0

Serge Vaudenay, Khaled Ouafi

At the RFID Security Workshop 2007, Adi Shamir presented a new challenge-response protocol well suited for RFIDs, although based on the Rabin public-key cryptosystem. This protocol, which we call SQUASH-0, was using a linear mixing function which was subse ...

Springer2009

Violences, sécurités et territoires

Charlotte Boisteau

The phenomenon of urban violence and the resulting sense of insecurity are at the very heart of contemporary urban dynamics. In order to respond to the growing public demand for security, various public, private, and community measures contribute to the ne ...

EPFL2009

Toward Quantifying System Manageability

George Candea

Manageability directly influences a system's reliability, availability, security, and safety, thus being a key ingredient of system dependability. Alas, we do not have today a good way to measure manageability or reason quantitatively about it, and this is ...

2008

(In)Security of an Efficient Fingerprinting Scheme with Symmetric and Commutative Encryption of IWDW 2005

We analyze the security of a fingerprinting scheme proposed at IWDW 2005. We show two results, namely that this scheme (1) does riot provide seller security: a dishonest buyer can repudiate the fact that, he redistributed a content, and (2) does riot, prov ...

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2008

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On the Static Diffie-Hellman Problem on Elliptic Curves over Extension Fields

Robert Granger

We show that for any elliptic curve

E(\mathbb{F}_{q^n})

, if an adversary has access to a Static Diffie-Hellman Problem (Static DHP) oracle, then by making

O(q^{1-\frac{1}{n+1}})

Static DHP oracle queries during an initial learning phase, for fixed $n>1 ...

Springer Berlin Heidelberg2010